16582066250840 has 64 divisors (see below), whose sum is σ = 38652700327200. Its totient is φ = 6394731599872.

The previous prime is 16582066250831. The next prime is 16582066250843. The reversal of 16582066250840 is 4805266028561.

It is a super-2 number, since 2×16582066250840² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16582066250843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9672497 + ... + 11257056.

Almost surely, 2^{16582066250840} is an apocalyptic number.

16582066250840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16582066250840 is an abundant number, since it is smaller than the sum of its proper divisors (22070634076360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16582066250840 is a wasteful number, since it uses less digits than its factorization.

16582066250840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20930276 (or 20930272 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 53.

The spelling of 16582066250840 in words is "sixteen trillion, five hundred eighty-two billion, sixty-six million, two hundred fifty thousand, eight hundred forty".